IT1244987B - PERFECTED RECEIVER OF TELETEXT TRANSMISSIONS - Google Patents

PERFECTED RECEIVER OF TELETEXT TRANSMISSIONS

Info

Publication number
IT1244987B
IT1244987B ITTO910005A ITTO910005A IT1244987B IT 1244987 B IT1244987 B IT 1244987B IT TO910005 A ITTO910005 A IT TO910005A IT TO910005 A ITTO910005 A IT TO910005A IT 1244987 B IT1244987 B IT 1244987B
Authority
IT
Italy
Prior art keywords
teletext
receiver
page
perfected
television signal
Prior art date
Application number
ITTO910005A
Other languages
Italian (it)
Inventor
Roberto Dini
Original Assignee
Sisvel Spa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11408755&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IT1244987(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sisvel Spa filed Critical Sisvel Spa
Priority to ITTO910005A priority Critical patent/IT1244987B/en
Publication of ITTO910005A0 publication Critical patent/ITTO910005A0/en
Priority to ES92100124T priority patent/ES2130140T3/en
Priority to DE69228714T priority patent/DE69228714T2/en
Priority to EP92100124A priority patent/EP0494624B1/en
Publication of ITTO910005A1 publication Critical patent/ITTO910005A1/en
Application granted granted Critical
Publication of IT1244987B publication Critical patent/IT1244987B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • H04N7/087—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only
    • H04N7/088—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital
    • H04N7/0882—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital for the transmission of character code signals, e.g. for teletext

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Systems (AREA)

Abstract

La presente invenzione si riferisce ad un ricevitore di trasmissioni teletext, sotto forma di una pluralità di pagine, inserite nel segnale televisivo, e suddivise in gruppi, per ognuno dei quali è disponibile una pagina indice, comprendente mezzi per ricevere e demodulare un segnale televisivo, nonché mezzi decodificatori per ricavare anche l'associato segnale teletext e mezzi di selezione per selezionare una pagina prescelta fra quelle trasmesse, e mezzi di memoria per memorizzare almeno una pagina teletext prescelta; la caratteristica principale dell'invenzione consiste nel fatto che il ricevitore comprende mezzi addizionali che permettono la selezione diretta della pagina indice di gruppo al quale appartiene la pagina prescelta.The present invention refers to a receiver of teletext transmissions, in the form of a plurality of pages, inserted in the television signal, and divided into groups, for each of which an index page is available, comprising means for receiving and demodulating a television signal, as well as decoder means for also obtaining the associated teletext signal and selection means for selecting a selected page from among those transmitted, and memory means for storing at least one chosen teletext page; the main feature of the invention consists in the fact that the receiver comprises additional means which allow the direct selection of the group index page to which the selected page belongs.

ITTO910005A 1991-01-07 1991-01-07 PERFECTED RECEIVER OF TELETEXT TRANSMISSIONS IT1244987B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ITTO910005A IT1244987B (en) 1991-01-07 1991-01-07 PERFECTED RECEIVER OF TELETEXT TRANSMISSIONS
ES92100124T ES2130140T3 (en) 1991-01-07 1992-01-03 METHOD AND RECEIVER OF TELETEXT TRANSMISSIONS.
DE69228714T DE69228714T2 (en) 1991-01-07 1992-01-03 Method and receiver for teletext transmissions
EP92100124A EP0494624B1 (en) 1991-01-07 1992-01-03 Method and receiver for teletext transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO910005A IT1244987B (en) 1991-01-07 1991-01-07 PERFECTED RECEIVER OF TELETEXT TRANSMISSIONS

Publications (3)

Publication Number Publication Date
ITTO910005A0 ITTO910005A0 (en) 1991-01-07
ITTO910005A1 ITTO910005A1 (en) 1992-07-07
IT1244987B true IT1244987B (en) 1994-09-13

Family

ID=11408755

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO910005A IT1244987B (en) 1991-01-07 1991-01-07 PERFECTED RECEIVER OF TELETEXT TRANSMISSIONS

Country Status (4)

Country Link
EP (1) EP0494624B1 (en)
DE (1) DE69228714T2 (en)
ES (1) ES2130140T3 (en)
IT (1) IT1244987B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1261681B (en) * 1993-05-25 1996-05-29 Edico Srl TOP type decoder apparatus for teletext signals - has four coloured selection keys and two sequential exploration keys function of which is determined by selection carried out by way of one of coloured keys
IT1261683B (en) * 1993-05-25 1996-05-29 Edico Srl TELETEXT TOP DECODER WITH IMPROVED CONTROL DEVICE BY RELATING THE + AND - KEYS TO THE COLORED SELECTION KEYS
EP0710023B2 (en) * 1994-10-26 2004-12-08 Società Italiana per lo Sviluppo dell'Elettronica S.I.SV.EL. S.p.A. Apparatus for the simplified selection of pages of the teletext television service

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3634757C1 (en) * 1986-10-11 1988-01-14 Bayerische Rundfunkwerbung Method for receiving periodically repeating teletext data
IT1240499B (en) * 1990-07-24 1993-12-17 Rai Radiotelevisione Italiana PERFECTED INFORMATION TRANSMISSION SYSTEM

Also Published As

Publication number Publication date
EP0494624B1 (en) 1999-03-24
DE69228714D1 (en) 1999-04-29
EP0494624A3 (en) 1993-03-17
EP0494624A2 (en) 1992-07-15
ITTO910005A1 (en) 1992-07-07
ITTO910005A0 (en) 1991-01-07
ES2130140T3 (en) 1999-07-01
DE69228714T2 (en) 1999-10-21

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970130